Find number abc
If caabc - 4caba = 32aac find number abc. Multiple solutions may exist.Correct answers: 55
The first user who solved this task is Nasrin 24 T.
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Letter boxIn 1891, Philip B. Downing, inventor, was awarded a U.S. patent for an improvement to the street letter (mail) box. This improvement in the covering and opening of outdoor mailboxes protected mail from both intruders and weather. It is relatively unchanged to this day. (No. 462,093) |